diff options
Diffstat (limited to 'kernel/irq/irqdomain.c')
| -rw-r--r-- | kernel/irq/irqdomain.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 45c74373c7a4..3bf9793d8825 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -458,6 +458,20 @@ void irq_set_default_host(struct irq_domain *domain) } EXPORT_SYMBOL_GPL(irq_set_default_host); +/** + * irq_get_default_host() - Retrieve the "default" irq domain + * + * Returns: the default domain, if any. + * + * Modern code should never use this. This should only be used on + * systems that cannot implement a firmware->fwnode mapping (which + * both DT and ACPI provide). + */ +struct irq_domain *irq_get_default_host(void) +{ + return irq_default_domain; +} + static void irq_domain_clear_mapping(struct irq_domain *domain, irq_hw_number_t hwirq) { |